Home / 109,688.12-164,538.68-34,806.88

Finding the Fourth Proportional to 109,688.12, 164,538.68 and 34,806.88

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Solution

The fourth proportional to 109,688.12, 164,538.68 and 34,806.88 is: 52,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,688.12 : 164,538.68 = 34,806.88 : x
  2. Step 2: Convert to fraction form
    109,688.12/164,538.68 = 34,806.88/x
  3. Step 3: Cross multiply
    109,688.12x = 164,538.68 × 34,806.88
  4. Step 4: Simplify right side
    109,688.12x = 5,727,078,090.12
  5. Step 5: Solve for x
    x = 5,727,078,090.12/109,688.12
  6. Step 6: Final answer
    x = 52,212.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.